On Wed, Jul 16, 2008 at 2:02 PM, Tim Golden <[EMAIL PROTECTED]> wrote: > Neven Goršić wrote: >> >> Hi! >> >> I am using Python 2.5.2 on WinXP Pro and I want to detect all disk drives. >> I have C:, D: and E: hard disks and F: DVD ROM. > > Use WMI: > > http://timgolden.me.uk/python/wmi_cookbook.html#find-drive-types > > (mutatis mutandis) > > >> When I try to use os.access method with writing checking I get True >> testing DVD ROM Drive with DVD media inside (which is not writable). >> 1. Why? DVD disk is not writable! >> >>>>> import os >>>>> print os.access('F:\\',os.W_OK) >> >> True > > In short because os.access always returns True for > *directories* as opposed to *files* on Windows > because it only checks the read-only flag and the > read-only flag has no real meaning on a directory > on Windows. > >> 2. When I remove DVD Disk from the drive I get unswer False. > > > It returns False when there's no media because that > constitutes an exception from the OS and the function > automatically returns False in that case. > > [... snip stuff about "Insert disk..." ...] > > Frankly this is a bit tricky. I'm not sure to what extent you can > get in ahead of the shell. A couple of possibilities, assuming > I've understood the situation. You can monitor device insertion > and removal either via the Win32 or shell APIs or via WMI (which, I imagine, > uses that API under the covers). The latest pywin32 modules have > added more support for this kind of thing, which you previously > had to do via ctypes. > > If you're interested in pursuing this, I can rustle up some code. > >> 3. Are there some other way to get list of all disk drives and DVD ROM >> drives? >> I hoped that I can do that with modules that comes with standard >> Python instalation. > > See above. Although my solution uses external modules[1][2], you *can* do > the same using ctypes, but why bother? Just install the > TJG > > [1] http://pywin32.sf.net > [2] http://timgolden.me.uk/python/wmi.html > > _______________________________________________ > Tutor maillist - Tutor@python.org > http://mail.python.org/mailman/listinfo/tutor >
------------------------------------------- Thank you for your quick answer. I'll try suggested modules and let you now. Neven _______________________________________________ Tutor maillist - Tutor@python.org http://mail.python.org/mailman/listinfo/tutor
